834K SCOOPS FOR COAL & WOODCHIPS

Cat Wheel Dozers are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to support your job site efficiently and safely while lowering owning and operating costs. Introduced in the mid-1960's, the 834 has been the industry leader for almost 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 834K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.


SPECIFICATIONS
Engine
Engine Model Cat® C18 ACERT™
Net Power 496 HP
Bore 5.7 in
Stroke 7.2 in
Displacement 1105 in³
Emissions U.S. EPA Tier 4 Final/EU Stage IV, Tier 3 Equivalent, or Tier 2 Equivalent
Gross - SAE J1349 562 HP
Net - SAE J1349 496 HP
Peak Power Speed 1,500 rpm
Peak Torque - 1,300 rpm 2092 ft·lbf
Rated Speed 1,900 rpm
Torque Rise 52%


Transmission
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 7.7 mile/h
Direct Drive - Forward 3 13.7 mile/h
Direct Drive - Forward 4 23.9 mile/h
Direct Drive - Reverse 1 4.5 mile/h
Direct Drive - Reverse 2 8.1 mile/h
Direct Drive - Reverse 3 14.3 mile/h
Forward - 1 4.2 mile/h
Forward - 2 7.2 mile/h
Forward - 3 12.6 mile/h
Forward - 4 22 mile/h
Reverse - 1 4.2 mile/h
Reverse - 2 7.6 mile/h
Reverse - 3 13.3 mile/h
Transmission Type Cat planetary power shift


Brakes
Brakes ISO 3450:2011


Axles
Front Fixed
Rear Trunnion
Oscillation Angle ±13°


Weights
Operating Weight 112838 lb


Service Refill Capacities
Cooling System 31.7 gal (US)
Crankcase 15.9 gal (US)
Transmission 31.7 gal (US)
Diesel Exhaust Fluid Tank* 8.7 gal (US)
Differential - Final Drives - Front 49.1 gal (US)
Differential - Final Drives - Rear 49.1 gal (US)
Fuel Tank 209.5 gal (US)
Hydraulic System - Tank Only 37 gal (US)
Hydraulic System Factory Fill 63.4 gal (US)


Operating Specifications
Chip Scoop Operating Weight 112838 lb
Coal Scoop Operating Weight 112428 lb


Sound Performance - Tier 4 Final/Stage IV - Standard
Machine Sound Level (ISO 6395) 111 dB(A)
Operator Sound Level (ISO 6396) 73 dB(A)


Sound Performance - Tier 4 Final/Stage IV: Suppression
Machine Sound Level (ISO 6395) 109 dB(A)
Operator Sound Level (ISO 6396) 72 dB(A)


Dimensions (Approximate)
Centerline of Front Axle to Hitch 7.5 ft
Centerline of Rear Axle to Edge of Bumper 10.5 ft
Ground Clearance 1.7 ft
Ground to Center of Front Axle 3.2 ft
Height - Top of Air Cleaner 12.8 ft
Height - Top of Cab 13.7 ft
Height - Top of Exhaust Stack 14.8 ft
Height - Top of Hood 10.9 ft
Length - Front of Tire 28.4 ft
Length - With Chip Scoop on Ground 39.3 ft
Length - With Coal Scoop on Ground 39.3 ft
Wheel Base 14.9 ft


Scoops
Coal Scoop Carry Capacity 30 yd³


Hydraulic System - Lift/Dump/Tilt
Cylinders, Double Acting - Left and Right Dump, Bore and Stroke 127 mm × 838 mm (5.0 in × 33.0 in)
Cylinders, Double Acting - Lift, Bore and Stroke 170.0 mm × 1107 mm (6.7 in × 43.6 in)
Lift/Tilt System Variable displacement piston
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Maximum Flow at 1,900 rpm 153 gal/min
Pilot Maximum Flow 13.7 gal/min
Pilot Relief Valve Setting 580 psi
Pilot System Variable displacement piston
Relief Valve Setting - Lift/Tilt 4206 psi


Hydraulic System - Steering
Maximum Flow 65.8 gal/min
Relief Valve Setting - Steering 3495 psi
Steering Cycle Times - High Idle 3.1 s
Steering Cycle Times - Low Idle 5.7 s
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Total Steering Angle 86°


Air Conditioning System
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.


Dimensions (Approximate)
Dump Angle at Full Lift Height 64 deg
Height - Edge of Dumped Scoop 5 ft
Height - Edge of Retracted Scoop 7.4 ft


Hydraulic System - Lift/Dump/Tilt
Cylinders, Double Acting - Tilt, Bore and Stroke 152.4 mm × 953 mm (6.0 in × 37.5 in)


Scoops
Chip Scoop Carry Capacity 35 yd³
Chip Scoop Doze Capacity 70 yd³
Coal Scoop Doze Capacity 60 yd³
Components Both scoops come with dual lift cylinders for increased lift capacity. Integrated stabilizer system makes sure that the scoop stays stable and centralized on the machine. Scoop tilt function is standard and provides ±15 degrees of tilt to maintain grade conditions and keep your operation safe.
Type Large capacity scoops for both wood chip and coal applications. A mesh screen integrated into the back of the scoop maintains visibility to the cutting edge. The chip scoop version has extra screens at the top due to higher capacity.


Service Refill Capacities
Note (1) All non-road Tier 4 Final/Stage IV Technology diesel engines are required to use:
– Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD and when the biodiesel feedstock meets ASTM D7467 specifications.
– Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specifications are required.
Note (2) *Only applicable to Tier 4 Final/Stage IV equipped machines.


Sound Performance - Tier 2 Equivalent/Stage II: Standard
Machine Sound Level (ISO 6395) 112 dB(A)
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (2) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Operator Sound Level ( ISO 6396) 81 dB(A)


Sound Performance - Tier 2 Equivalent/Stage II: Suppression
Machine Sound Level (ISO 6395) 109 dB(A)
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (2) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Operator Sound Level (ISO 6396) 81 dB(A)


Sound Performance - Tier 4 Final/Stage IV - Standard
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (2) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.


Sound Performance - Tier 4 Final/Stage IV: Suppression
Note (1) The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (2) Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (3) The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008.
– The measurement was conducted at 70 percent of the maximum engine cooling fan speed.


Transmission
Note Travel speeds based on 35/65-R33 tire.


BENEFITS & FEATURES
Efficiency


Cat C18 ACERT Engine
The Cat C18 ACERT engine is built and tested to meet your most demanding applications. Three C18 ACERT engine options are available in this machine: Tier 4 Final/Stage IV with aftertreatment, Tier 3 equivalent, or Tier 2 equivalent.
  • Fully integrated electronic engine controls works in concert with the entire machine to make your fuel go farther.
  • Use less fuel idling with Engine Idle Shutdown.
  • Maximized durability with Delayed Engine Shutdown.

Cat C18 ACERT Engine


Cat Planetary Powershift Transmission
Featuring all new Advanced Productivity Electronic Control Shifting (APECS) transmission controls provides greater momentum on grades and fuel savings by carrying that momentum through the shift points.

Cat Planetary Powershift Transmission


Impeller Clutch Torque Converter (ICTC)
Enable your operators to maximize efficiency by varying machine rimpull while putting more horsepower to hydraulics.
  • Reduced tire wear
  • Enables full throttle shifts for faster cycle times
  • Provides smooth approach to the dump target for less spillage and faster cycle times.

Impeller Clutch Torque Converter (ICTC)


Cat Torque Converter with Lock-up Clutch
  • Eliminates TC losses while lowering system heat
  • Improves travel speeds
  • Reduces cycle times in load and carry operations

Cat Torque Converter with Lock-up Clutch


Improved Hydraulic Efficiency
  • New flow sharing implement and steering variable displacement load sensing piston pumps.
  • Hydraulic flow now on demand, for improved fuel efficiency.

Structures


Robust Structures
Your bottom line is improved by highly durable structures that achieve multiple life cycles and withstand the toughest conditions.
  • Full box-section rear frame resists torsional shock and twisting forces.
  • Heavy-duty steering cylinder mounts efficiently transmit steering loads into the frame.
  • Axle mounting has been optimized for increased structural integrity.
  • Lower hitch pin, frame plate, and bearing size have been increased for longer life.

Robust Structures Design
  • Push beams are through-width, not merely attached to side of frame.
  • In corner dozing, stresses are transferred and absorbed through a larger portion of the frame.

Power Train


Steering and Transmission Integrated Control System (STIC™)
Experience maximum responsiveness and control with STIC that combines directional selection, gear selection and steering into a single lever.
  • Simple side-to-side motion turns machine right or left, minimizing operator movements.
  • Easy to operate finger controlled gear selection.
  • Smoother, faster cycles and less operator fatigue through the use of low effort integrated controls.

Steering and Transmission Integrated Control System (STIC™)


Cat Planetary Powershift Transmission
Building your success begins with a best-in-class transmission designed specifically for mining applications.
  • Consistent, smooth shifting and efficiency through integrated electronic controls that utilize Advanced Productivity Electronic Control Strategy (APECS).
  • Long life and reliability through heat treat gear and metallurgy.
  • Four forward and three reverse speeds to match your application.

Cat Planetary Powershift Transmission


Cat C18 ACERT Engine
Durability and efficiency at the heart of your 834K comes from the Cat C18 ACERT Engine. Optimum performance is built in through the use of a 6 cylinder, four-stroke design.
  • Optimized performance and quick engine response with an electronic control module.
  • Reliable efficiency with complete control over injection timing, duration and pressure with Mechanically Actuated Electronic Unit Injection (MEUI™).
  • Extended engine life and improved fuel efficiency with reduced rated speed.
  • Option of: Tier 4 Final/Stage IV emissions standards, Tier 3 equivalent, or Tier 2 equivalent.

Cat C18 ACERT Engine


Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS)
Lower your operating costs utilizing advanced ICTC and RCS for modulated rimpull.
  • Reduce tire slippage and wear by modulating rimpull from 100 to 25 percent while depressing left pedal. After 25 percent rimpull is achieved the left pedal applies the brake.
  • Reduce the potential for wheel slippage without reducing hydraulic efficiency with RCS.
  • Improve fuel efficiency in certain applications with our lock-up clutch torque converter providing direct drive.

Operator Station


Your operators can work more efficiently and stay comfortable with our customer-inspired cab features.

Entry and Exit
Enter and exit the cab easily and safely with these newly designed, ergonomic features.
  • Fold up STIC steer/armrest.
  • Reduced angles on access stairways.
  • Standard stairway lighting.

Cat Comfort Series III Seat
Enhance comfort and reduce operator fatigue with Cat Comfort Series III seat.
  • Mid back design and extra thick, contoured cushions.
  • Air suspension system.
  • Easy-to-reach seat levers and controls for six way adjustments.
  • Seat-mounted implement pod and STIC steer that moves with the seat.
  • 76 mm (3 in) wide retractable seat belt.

Control Panel
Ergonomic placement of switches and Information display keep your operators comfortable all day every day.
  • Large backlit membrane switches feature LED activation indicators.
  • Switches feature ISO symbols for quick function identification.
  • Two position rocker switch activates the electro hydraulic park brake.

Environment
Your operator's productivity is enhanced with our clean, comfortable cab environment.
  • Experience reduced vibrations from isolation cab mounts and seat air suspension.
  • Maintain desired cab temperature with automatic temperature controls.
  • Pressurized cab with filtered air.
  • Sound level reduced to a quiet 71 dB(A) when equipped with the sound suppression package.
  • Convenient floor storage tray/lunch box.

Technology Solutions


The 834K electronic systems have been completely integrated to function as one machine. This integration creates a smart machine and more informed operator, maximizing the productivity of both.

Cat Product Link™
Cat Product Link allows remote monitoring of equipment to improve overall fleet management effectiveness. Events and diagnostic codes, as well as hours, fuel, idle time and other information are transmitted to a secure web based application, VisionLink™. VisionLink includes powerful tools to convey information to users and dealers, including mapping, working and idle time, fuel level and more.

VIMS™ 3G
We have worked hard to help our customers and operators perform at their best through our Vital Information Management System (VIMS 3G).
  • Easy-to-view graphical information display features a large touch screen interface.
  • Intuitive operation and easy navigation with our enhanced user interface.
  • Decrease service time by keeping operators informed about machine system malfunction or operation.

Cat MineStar System


Cat MineStar System is the industry's broadest suite of integrated mine operations and mobile equipment management technologies, configurable to suit your operation's needs. Its capability sets – Fleet, Terrain, Detect, Health and Command – contain a range of technologies that let you manage everything from fleet assignment and condition monitoring to remote and autonomous control. The 834K can take advantage of many of these advanced technologies, some of which are standard out of the factory.

Fleet
Fleet provides comprehensive, real-time machine tracking, assignment and productivity management, giving you a comprehensive overview of all operations from anywhere in the world.

Terrain for Loading
Terrain with your 834K enables high-precision management of loading operations through the use of guidance technology. It increases 834K productivity and provides you real-time feedback for improved efficiency.

Terrain for Loading


Detect
Detect helps increase operator awareness, enhancing safety at your operation. It includes a range of capabilities designed to assist the operator with areas of limited visibility around fixed and mobile equipment.

Detect


Health
Health delivers critical event-based machine condition and operating data for your entire fleet. It includes comprehensive equipment health and asset monitoring capabilities, with a wide range of diagnostic, analytic and reporting tools.

Safety


We are constantly introducing features on our machines in an effort to enhance safety for the operator.

Machine Access
  • Left and right hand stairs with 45 degree angle enhance safety for operators getting on and off the 834K.
  • Continuous walkway with non-skid surfaces are designed into the service areas.
  • Maintain three points of contact at all times through ground level or platform accessible service areas.

Visibility
  • Optional heated mirrors ensure enhanced visibility for safe operation.
  • Standard Cat Vision or optional Cat Detect with radar increase operator awareness around the machine.
  • LED lights provide excellent workspace visibility.
  • Optional cab mounted LED warning beacons.

Operator Environment
  • Reduced vibrations to the operator with isolated cab mounts and seat mounted implement and steering controls.
  • Low interior sound levels.
  • Pressurized cab with filtered air.
  • Standard 76 mm (3 in) seat belts on the operator seat.

Sustainability


Sustainability is designed and built into our 834K's features.
  • Engine Idle Shutdown and Auto Idle Kickdown can help you save fuel by avoiding unnecessary idling.
  • Reduce waste generation with our maintenance free batteries.
  • The 834K is built for multiple lives. To assist with maximizing machine life, Caterpillar provides a number of sustainable options such as our Reman and Certified Rebuild programs. In these programs, reused or remanufactured components can deliver cost savings of 40 to 70 percent, which lowers operating cost.
  • Caterpillar offers retrofit packages to bring new features to older machines, maximizing your resource. And, when you go through the Cat Certified Rebuild program, these retrofit kits are part of the rebuild process.

Productivity


Purpose Built Front Linkage
Cat wood chip and coal scoops have the unique capability of maximizing your production by both dozing and carrying a load with each pass. A purpose built hydraulic system is optimized for use with this work tool to maximize machine productivity and efficiency. Dual lift cylinders provide hydraulic lift capacity matched to the demands of the application.

Oscillating Rear Axle
The fixed front axle and oscillating rear axle ensures four-wheel ground contact for optimum traction and stability. The front axle is rigidly mounted to the front loader frame, while the rear axle is allowed to oscillate. This configuration allows the operator's view of the scoop to remain constant as the rear axle oscillates enabling the operator to maintain a smooth and properly graded work area in any underfoot conditions.

Operating Costs


The 834K has several features to achieve greater fuel efficiency:
  • Positive Flow Control Hydraulics – Provides only the hydraulic flow required by the implement and steering systems for improved fuel efficiency and greater rimpull.
  • ACERT Engine – Advanced engine controls maximizes power and efficiency.
  • Engine Idle Shutdown – Automatic engine and electrical system shutdown conserves fuel.
  • Lock-up Torque Converter – Transfers more power to the ground and optimizes fuel efficiency in all applications.
  • Advanced Productivity Electronic Control Strategy (APECS) – All new APECS transmission controls provides greater momentum on grades and fuel savings by carrying that momentum through the shift points.

Machine configuration, operator technique, and job site layout can impact fuel consumption.
  • Machine Configuration – Select the correct work tool and tire type based on machine application. Ensure proper inflation pressures.
  • Idle – Set the parking brake to engage Engine Idle Management System.

Serviceability


We can help you succeed by ensuring your 834K has design features to reduce your downtime.
  • Safe and convenient service with ground level or platform access and grouped service points.
  • Swing-out doors on both sides of the engine compartment provide easy access to important daily service checks.
  • Ecology drains for ease of service and prevention of spilling potential environmental contaminants.
  • Reduce downtime with VIMS system notifications so your operators and technicians can resolve any problems before failure.
  • Ground level access to transmission control valves.

Customer Support


Legendary Cat Dealer Support
A valued partner, your Cat dealer is available whenever you need them.
  • Preventive maintenance programs and guaranteed maintenance contracts.
  • Best-in-class parts availability.
  • Improve your efficiency with operator training.
  • Genuine Cat Remanufactured parts.

EQUIPMENT
Standard Equipment

ELECTRICAL
  • Alarm, back-up
  • Alternator (100 amp)
  • Batteries, maintenance-free
  • Deutsch terminal connectors
  • Electrical system (24V)
  • Lighting system, halogen (front and rear), access stairway
  • Starter, electric (heavy-duty)
  • Starting receptacle for emergency starts
OPERATOR ENVIRONMENT
  • Air conditioner
  • Cab, sound suppressed and pressurized
  • Internal four-post rollover protective structure (ROPS/FOPS), radio ready (entertainment) includes antenna, speakers and converter (12V, 15 amp), 12V power port, tinted glass
  • Cigar lighter (12V, 15 amp) and ashtray
  • Coat hook
  • Electro-Hydraulic tilt, tip controls
  • Heater and defroster
  • Horn, electric
  • Light, cab (dome)
  • Lock-up clutch disable switch
  • Lunchbox and beverage holders
  • Monitoring system (VIMS 3G)
  • Action alert system, three category
  • Instrumentation, gauges:
    – Engine coolant temperature
    – Fuel level
    – Hydraulic oil temperature
    – Speedometer/tachometer
    – Transmission oil temperature
    – Instrumentation, warning indicators
    – Axle/brake oil temperature (front/rear)
    – Brake oil pressure
    – Electrical system, low voltage
    – Engine intake/combustion air temperature
    – Engine oil pressure
    – Engine overspeed
    – Fuel pressure
    – Hydraulic oil filter status
    – Parking brake status
    – Transmission filter status
    – Cat Vision (rear vision camera)
  • Mirrors, rearview (externally mounted)
  • Rimpull select switch
  • Seat, Comfort Series (cloth), air suspension
  • Seat belt, retractable, 76 mm (3 in) wide
  • STIC control system with steering lock
  • Tilt and lift control system lock
  • Transmission gear indicator
  • Wet-arm wipers/washers (front and rear)
  • Intermittent front wiper
POWER TRAIN
  • Brakes, full hydraulic, enclosed, wet-disc
  • Multiple disc service brakes
  • Case drain filters
  • Demand fan
  • Engine, Cat C18 MEUI with ACERT Technology, ATAAC, ADEM™ IV controller
  • Fuel priming pump (electric)
  • Parking brake
  • Precleaner, engine air intake
  • Radiator, Next Generation Modular
  • Radiator (NGMR)
  • Separated cooling system
  • Starting aid (ether) automatic
  • Throttle lock
  • Torque converter, impeller clutch with lock-up control system and rimpull control system (switch and dial in cab)
  • Transmission, planetary, autoshift (4F/3R)
OTHER STANDARD EQUIPMENT
  • Doors, service access (locking)
  • Engine, crankcase, 500 hour interval with CH-4 oil
  • Grouped Electronic Clutch Pressure
  • Control, remote mounted pressure taps
  • Hitch, drawbar with pin
  • Hood, metallic with lockable service doors
  • Hydraulic oil cooler
  • Muffler (under hood)
  • Oil sampling valves
  • Stairway, left side (rear access)
  • Steering, load sensing
  • Vandalism protection caplocks
  • Venturi stack
  • ±15 degree scoop tilt
TIRES, RIMS AND WHEELS
  • A tire must be selected from the mandatory attachments section – base machine price includes a tire allowance
ANTIFREEZE
  • Premixed 50 percent concentration of Extended Life Coolant with freeze protection to –34° C (–29° F)

Optional Equipment

POWER TRAIN
  • –50° C (–58° F) antifreeze
  • Engine oil change system, high speed, Wiggins
  • Engine block heater 120V or 240V
  • Engine compression brake
  • Automatic retarding control (with engine compression brake)
  • Axle oil cooler
  • Second starter
  • Jacket water heater
  • Crankcase guards
OPERATOR ENVIRONMENT
  • Cab precleaner
  • AM/FM/CD/MP3 radio
  • Satellite Sirius radio with Bluetooth
  • LED warning strobe
  • CB radio ready
  • Window pull down visor
  • Sound suppression
  • Visor group – cab pull-down shade
  • Cat Detect (rear object detection)
MISCELLANEOUS ATTACHMENTS
  • Front and rear roading fenders
  • Fast fill fuel system (Shaw-Aero)
  • Cat Detect
  • Halogen and HID lights